E3Z-R81

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Overview of Omron E3Z-R81

The Omron E3Z-R81 is a compact retro-reflective photoelectric sensor with built-in amplifier designed for reliable object detection at distances up to 4 meters. It uses polarized red LED light and features a PNP open collector output with selectable Light-ON or Dark-ON operation modes. This sensor is ideal for industrial automation applications requiring precise and stable detection.

Key Features of Omron E3Z-R81

  • Shape: Cuboid, compact rectangular housing
  • Sensing Method: Retro-reflective with polarized red LED
  • Sensing Distance: 4 meters (minimum 100 mm)
  • Light Source: Red LED (660 nm)
  • Output Type: PNP open collector
  • Operation Mode: Selectable Light-ON / Dark-ON
  • Connection Method: 2 m pre-wired cable
  • Response Time: 1 ms max
  • Power Supply Voltage: 12 to 24 VDC ±10% with ripple 10% max
  • Protection Rating: IP67 dust-tight, water-resistant
  • Housing Material: PBT case with methacrylate lens
  • Operating Temperature Range: -25°C to 55°C (no icing)
  • Indicators: Orange operation, green stability LED
  • Dimensions (WxHxD): 10.8 × 20 × 31 mm

Technical Specifications of E3Z-R81:

Model Number E3Z-R81
Manufacturer Omron
Sensing Distance 4000 mm (4 m)
Minimum Sensing Distance 100 mm
Sensing Method Retro-reflective, polarized red LED
Output Type PNP open collector
Operation Mode Light-ON / Dark-ON selectable
Power Supply 12 to 24 VDC ±10%
Response Time 1 ms max
Connection Pre-wired cable, 2 m length
Protection Rating IP67
Operating Temperature -25°C to 55°C
Housing Material PBT (case) and methacrylate (lens)
Dimensions (WxHxD) 10.8 × 20 × 31 mm
Weight Approx. 65 g

Applications / Use Case

The Omron E3Z-R81 is ideal for use in factory automation, packaging inspection, material handling, and conveyor systems requiring stable object detection at medium distances. Its compact design and robust IP67 rating make it suitable for harsh industrial environments.

E3Z-R81

$0.00

  • ACHIEVING

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    95%

    positive reviews

  • LESS THAN

    1%

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Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

What is the condition of the product?

All products sold are New & Unused.

How fast is shipping?

All products are delivered within 2-8 business days depending on our stock location.

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